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TDA7274 motor speed stabilizing control integrated circuit d

2016-09-01 01:59  
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TDA7274 motor speed stabilizing control integrated circuit diagram
The TDA7274 is the motor speed stabilizing control integrated circuit produced by a European company, and it is widely used in music players, video machines and electronic toys.(1) Features and functionsTDA7274 IC internal circuit contains reference power supply circuit, error amplification circuit, motor speed control circuit and a number of other subsidiary circuits.(2) Pin functions and dataThe TDA7274 IC uses 8-pin dual in-line package, and the pin functions and data are shown in Table 1.Tip : TDA7274 IC and the domestic model SG7274 can be interchangeable.